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Re: [PATCH] Add mode for automatically unhiding emphasis markers in the

From: Gustavo Barros
Subject: Re: [PATCH] Add mode for automatically unhiding emphasis markers in the current region
Date: Mon, 06 Jul 2020 11:01:32 -0300
User-agent: mu4e 1.4.10; emacs 27.0.91

Hi Nicolas,
Hi All,

On Sun, 05 Jul 2020 at 17:49, Gustavo Barros <gusbrs.2016@gmail.com> wrote:

A fourth issue is point placement after the emphasis is added. `org-emphasis' takes a stance here and places point within the emphasis. I do agree with this option, but it is still true that sometimes, one might want or need otherwise. This, of course, gets more interesting when `org-hide-emphasis-markers' is t. And I actually think this issue is still more general. One thing is to "add emphasis markers to existing text", another is "adding text around existing
emphasis markers".  The first one is superbly dealt with by this
implementation of `org-emphasize', the second one, as far as I can see, not
equally so.

After sleeping over this problem, I think I had an interesting idea to allow some control of point position in an intuitive fashion. I thus submit it to the list.

Consider the following suggested behavior for `org-emphasize': i) anything in the direction opposite to the emphasis expansion direction is ignored, regardless of whether point is at a word boundary or not on that side (this corresponds to the current implementation, but goes against my initial suggestion of considering the right boundary of a word as "part" of the previous word); ii) point never moves (and this is different from the current implementation).

Simple, clear cut rules. And they would make it possible to control whether point is placed within or outside the emphasis markers by manipulating point position wrt whitespace /before/ calling `org-emphasize'. So, taking the current forward expansion direction, if we wanted to emphasize the following word, we would have: i) if the point is placed before whitespace preceding the following word, point will be left where is is, which will result to be outside the emphasis markers; ii) if point is within a word (which includes the left boundary) point will end inside the markers; it also hasn't moved, just the marker was applied before it.

Some examples, again assuming forward expansion:

#+begin_src org

for `M-o *', the results would be:

#+begin_src org

Assuming a backwards expansion direction was to exist (and the more I think of this, the more I lean towards preferring this as the default), we could do the following.

I'm typing something:

#+begin_src org

But then I decide to emphasize "bar", and only "bar". I could go with `SPC M-o *' to get:

#+begin_src org

And be able to just keep on typing:

#+begin_src org

I wouldn't say this goes all the way to solve the "adding text around existing emphasis markers" problem. But, as far as my scrutiny went, I do think it goes quite a stretch. And it is quite simple, which should make for "intuitive" hopefully.



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